CN209240978U - Blanket lamp for vehicle - Google Patents
Blanket lamp for vehicle Download PDFInfo
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- CN209240978U CN209240978U CN201821681181.9U CN201821681181U CN209240978U CN 209240978 U CN209240978 U CN 209240978U CN 201821681181 U CN201821681181 U CN 201821681181U CN 209240978 U CN209240978 U CN 209240978U
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- 238000010276 construction Methods 0.000 description 2
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- 238000013459 approach Methods 0.000 description 1
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Abstract
This application discloses a kind of blanket lamps for vehicle, the blanket lamp includes: multiple projecting cells, the projecting cell includes: LED display unit, colimated light system and microlens array, the colimated light system is between the LED display unit and the microlens array, the LED display unit includes: infrared LED and visible LED, the infrared LED is connect with infrared remote receiver, infrared light for that will emit is collected, the visible LED connects to the control circuit, illuminating bundle is issued for controlling the visible LED, the control circuit is connected by the CAN bus of interface and vehicle, for obtaining vehicle system information, the colimated light system is used to that the microlens array will to be irradiated to again after beam collimation that the LED display unit issues, and it is thrown by the microlens array It penetrates to form projection pattern region.The blanket lamp of the application can show vehicle remaining capacity/oil mass under non-welcome's mode.The dark bright of projection pattern can be changed according to user distance under welcome's mode.
Description
Technical Field
The application relates to the field of lighting, in particular to a carpet lamp for a vehicle.
Background
Carpet lights for vehicles are mostly primarily arranged on high-end vehicle trains.
The inventors have discovered that carpet lights for vehicles lack the ability to indicate vehicle system information. Furthermore, the corresponding pattern cannot be displayed according to the actual movement direction or direction change of the user, and the power consumption is large.
Aiming at the problem of poor user experience of carpet lamps in the related art, no effective solution is provided at present.
SUMMERY OF THE UTILITY MODEL
The main objective of the present application is to provide a carpet lamp for a vehicle to solve the problem that the user experience of carpet lamps is poor.
In order to achieve the above object, according to one aspect of the present application, there is provided a carpet light for a vehicle.
A carpet light for a vehicle according to the present application includes: a plurality of projection units, the projection units comprising: LED display portion, collimation system and microlens array, the collimation system is located LED display portion with between the microlens array, LED display portion includes: an infrared LED and a visible light LED, wherein the infrared LED is connected with an infrared receiver and is used for collecting the emitted infrared light, the visible light LED is connected with a control circuit, used for controlling the visible light LED to emit lighting beams, the control circuit is connected with a CAN bus of a vehicle through an interface, the collimation system is used for collimating the light beams emitted by the LED display part and then irradiating the light beams onto the micro-lens array, and the light beams are projected by the micro-lens array to form a projection pattern area, wherein the visible light LED is controlled by the control circuit to emit a lighting beam to illuminate the position of the vehicle away from the user, the infrared LED is matched with the infrared receiver, the control circuit is used for controlling the visible light LED to display a first projection pattern in a projection pattern area according to an infrared signal collected by the infrared receiver; the control circuit is used for controlling the visible light LED to display a second projection pattern in the projection pattern area according to the vehicle system information collected by the CAN bus.
Further, the control circuit includes at least: and the microcontroller circuit is connected with a CAN bus of the vehicle through a preset data interface.
Further, the control circuit includes at least: and the driving circuit is connected with a CAN bus of the vehicle through a preset data interface.
Further, the control circuit is used for controlling the visible light LED to display the oil amount residual projection pattern in the projection pattern area according to the oil amount information in the vehicle system information collected by the CAN bus.
Further, the control circuit is used for controlling the visible light LED to display the electric quantity residual projection pattern in the projection pattern area according to the electric quantity information in the vehicle system information collected by the CAN bus.
Further, the illumination areas projected by the plurality of micro lenses are overlapped to form a variable projection pattern area.
Further, each projection unit corresponds to an illumination line in the projection pattern area.
Further, the collimation system includes: at least one collimating lens.
Further, the microlens array includes: and a corresponding pattern is arranged on the surface of each micro lens according to a set projection pattern, and the illumination areas projected by each micro lens are superposed to form a projection pattern area.
Further, it is mounted on the vehicle body near the front of the vehicle, with the projected pattern area on the side of the vehicle.
In the embodiment of the present application, a plurality of projection units are adopted, and the projection units include: LED display portion, collimation system and microlens array, the collimation system is located LED display portion with between the microlens array, LED display portion includes: infrared LED and visible light LED, infrared LED is connected with infrared receiver for collect the infrared light of transmission, visible light LED is connected with control circuit, is used for control visible light LED sends the illuminating beam, control circuit passes through the CAN bus connection of interface and vehicle for the purpose that obtains vehicle system information and reach, thereby realized collimation system be used for with shine again after the light beam collimation that LED display part sent on the microlens array, and pass through the microlens array throws and forms the regional technological effect of projection pattern, and then has solved the relatively poor technical problem of carpet lamp user experience.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the invention and do not limit it. In the drawings:
FIG. 1 is a schematic view of a carpet light construction for a vehicle according to an embodiment of the present application;
FIG. 2 is a schematic view of a carpet light for a vehicle mounted on the vehicle and projected in a map area according to an embodiment of the present application;
FIG. 3 is a schematic view of a carpet light for a vehicle forming a projected pattern area according to an embodiment of the present application;
FIG. 4 is a schematic diagram of a projection unit according to an embodiment of the present application; and
fig. 5 is a schematic structural view (perspective view) of a projection unit according to an embodiment of the present application.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1, the carpet lamp for a vehicle in the present application includes: a plurality of projection units, the projection units comprising: LED display part 1, collimation system 2 and microlens array 3, collimation system 2 is located between LED display part 1 and microlens array 3, LED display part 1 includes: the infrared LED12 and the visible light LED11, infrared LED11 is connected with infrared receiver 4 for collect the infrared light of transmission, visible light LED11 is connected with control circuit 5 for control the visible light LED11 sends the illuminating beam, control circuit 5 is connected with CAN bus 10 of vehicle through the interface, be used for acquireing vehicle system information, collimation system 2 is used for with the light beam collimation that LED display portion 1 sent shines again on microlens array 3, and pass through microlens array 3 projection formation projection pattern region,
wherein the visible light LED11 is controlled by the control circuit 5 to emit a lighting beam to illuminate the position of the vehicle where the user is currently located. Specifically, the on-off state of the visible light LED11 in each projection unit may be controlled by the control circuit 5, thereby controlling the bright-dark state of a single illumination line or some few illumination lines in the projection pattern.
The infrared LED12 is matched with the infrared receiver and used for collecting infrared light generated by diffuse reflection of a target object near the vehicle. An infrared LED is added on the LED chip, emits infrared light beams, and emits the infrared light beams to an image projection area through a collimation system and a micro-lens array. When a vehicle user is irradiated by infrared light at a certain position of a projection area, a diffuse reflection phenomenon can be generated. The infrared receiver on the carpet lamp collects infrared light generated by diffuse reflection on the user in real time, and the distance information of the user can be obtained through calculation to continue subsequent processing.
The control circuit is used for controlling the visible light LED to display a first projection pattern in the projection pattern area according to the infrared signal collected by the infrared receiver; specifically, an infrared light beam is emitted by the infrared LED12, and exits to the image projection area through the collimator system 2 and the microlens array 3. When a vehicle user is irradiated by infrared light at a certain position of a projection area, a diffuse reflection phenomenon can be generated. The infrared receiver on the carpet lamp collects infrared light generated by diffuse reflection on the body of the user in real time, and after distance information of the user is obtained through calculation, the control circuit 5 controls the corresponding visible light LED to emit a lighting beam to illuminate the position of the user. When the user walks to the next position in the projection area, the carpet lamp can automatically start the LED corresponding to the next position according to the detection data to perform projection illumination, and simultaneously close the LED corresponding to the previous position. Therefore, the carpet lamp can realize real-time control of projection illumination of different areas according to the position of a user.
One projection unit in the embodiments of the present application may correspond to one or several illumination lines in the projection pattern. The projection unit is composed of a packaged LED, a collimation system and a micro-lens array. The number of infrared LEDs and visible LEDs can be any, and the number of lenses of the collimating system can be two or more.
The control circuit is used for controlling the visible light LED to display a second projection pattern in the projection pattern area according to the vehicle system information collected by the CAN bus. In particular, vehicle system information may generally be collected and obtained over a CAN bus. The visible light LED CAN be controlled to display a corresponding projection pattern in the projection pattern area according to the vehicle system information in the CAN bus through control. For example, as shown in fig. 2 to 3, the projection pattern is composed of 10 illumination lines and 1 rectangular outer frame. Each illumination line and the rectangular outer frame correspond to a projection unit respectively, and the brightness state of the illumination line and the brightness state of the rectangular outer frame are controlled by the control circuit 5 independently.
As a preference in the present embodiment, the control circuit 5 includes at least: and the microcontroller circuit is connected with a CAN bus of the vehicle through a preset data interface. The preset data interface is a data interface known to those skilled in the art, as long as the microcontroller circuit CAN acquire data by acquiring the CAN bus connection.
It should be noted that the microcontroller circuit in the present application may be selected according to the actual usage scenario, and is not limited in the present application.
As a preference in the present embodiment, the control circuit 5 includes at least: and the driving circuit is connected with a CAN bus of the vehicle through a preset data interface. The preset data interface is a data interface known to those skilled in the art, as long as the data interface CAN obtain the CAN bus connection in the driving circuit.
As a preferable feature in the present embodiment, as shown in fig. 2 to 3, the control circuit is configured to control the visible light LED to display the oil amount remaining projection pattern in the projection pattern area according to the oil amount information in the vehicle system information collected by the CAN bus. Specifically, the carpet lamp for the vehicle displays the rectangular outer frame all the time in a non-welcome mode (that is, no person approaches), and the display number of the lighting lines is controlled to represent the residual electric quantity or the oil quantity of the vehicle, so that a user is prompted to charge or refuel.
As a preferable feature of the present embodiment, as shown in fig. 2 to 3, the control circuit is configured to control the visible light LED to display the charge remaining projection pattern in the projection pattern area according to the charge information in the vehicle system information collected by the CAN bus. Specifically, the rectangular outer frame does not display all the time for the vehicle in the welcome mode (that is, a person is close to) and the brightness of 10 lighting lines is realized through the infrared distance measuring function, so that the position of a user is tracked in real time, and the user experience is enhanced.
Preferably, in this embodiment, the illumination areas projected by the plurality of microlenses are overlapped to form a variable projection pattern area. The front and rear surfaces of the microlens array 3 are provided with microlenses which are closely arranged. The surface of each micro lens is engraved with a corresponding pattern according to a set projection pattern, and the pattern on each micro lens is different. The projected illumination areas from each microlens are superimposed to form a specific projection pattern.
Preferably, in the present embodiment, each of the projection units corresponds to an illumination line in the projection pattern area. An infrared LED is added on an LED chip of the LED display part, emits infrared light beams, and emits the infrared light beams to an image projection area through a collimation system and a micro-lens array. When a vehicle user is irradiated by infrared light at a certain position of a projection area, a diffuse reflection phenomenon can be generated. The infrared receiver on the carpet lamp collects infrared light generated by diffuse reflection on a user body in real time, and after distance information of the user is obtained through calculation, the corresponding visible light LED is controlled to emit lighting beams through the driving circuit so as to illuminate the position of the user. When the user walks to the next position in the projection area, the carpet lamp can automatically start the LED corresponding to the next position according to the detection data to perform projection illumination, and simultaneously close the LED corresponding to the previous position. Therefore, the carpet lamp can realize real-time control of projection illumination of different areas according to the position of a user.
As a preference in the present embodiment, the collimation system includes: at least one collimating lens. A plurality of collimating lenses can be superimposed in the collimating system for use.
As a preference in the present embodiment, the microlens array includes: and a corresponding pattern is arranged on the surface of each micro lens according to a set projection pattern, and the illumination areas projected by each micro lens are superposed to form a projection pattern area. Preferably, the sub-projection pattern in each projection unit corresponds to one or more parts of the projection pattern. The front and back surfaces of the micro lens array are all provided with micro lenses which are closely connected and arranged. The surface of each micro lens is engraved with a corresponding pattern according to a set projection pattern, and the pattern on each micro lens is different. The projected illumination areas from each microlens are superimposed to form a specific projection pattern.
As a preference in the present embodiment, as shown in fig. 2, a carpet light for a vehicle is mounted on the vehicle body near the front of the vehicle with the projected pattern area on the side of the vehicle. Specifically, when a carpet light for a vehicle is mounted on the vehicle body in front of the vehicle, the projected pattern is beside the vehicle.
As a preference in the present embodiment, as shown in fig. 4 to 5, preferably, the LED display section includes: the light beams emitted by the visible light LEDs and the infrared light LEDs are collimated by the collimating system and then incident on the micro-lens array.
It should be noted that any number of visible and infrared LEDs are possible. The light beams emitted by the visible light LED and the infrared light LED are collimated by the collimating system and then incident on the microlens array, which is not limited in this application.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. A carpet light for a vehicle, comprising: a plurality of projection units, the projection units comprising:
LED display portion, collimation system and microlens array, the collimation system is located LED display portion with between the microlens array, LED display portion includes: an infrared LED and a visible light LED,
the infrared LED is connected with the infrared receiver and is used for collecting the emitted infrared light,
the visible light LED is connected with the control circuit and is used for controlling the visible light LED to emit illumination beams,
the control circuit is connected with a CAN bus of the vehicle through an interface and is used for acquiring vehicle system information,
the collimation system is used for collimating the light beam emitted by the LED display part, then irradiating the light beam onto the micro-lens array, and projecting the light beam through the micro-lens array to form a projection pattern area,
wherein,
the visible light LED is controlled by the control circuit to emit an illuminating light beam to illuminate the position of the vehicle which is currently away from the user,
the infrared LED is matched with the infrared receiver and is used for collecting infrared light generated by a target object near the vehicle through diffuse reflection,
the control circuit is used for controlling the visible light LED to display a first projection pattern in the projection pattern area according to the infrared signal collected by the infrared receiver;
the control circuit is used for controlling the visible light LED to display a second projection pattern in the projection pattern area according to the vehicle system information collected by the CAN bus.
2. The carpet light for a vehicle according to claim 1, characterized in that the control circuit comprises at least: and the microcontroller circuit is connected with a CAN bus of the vehicle through a preset data interface.
3. The carpet light for a vehicle according to claim 1, characterized in that the control circuit comprises at least: and the driving circuit is connected with a CAN bus of the vehicle through a preset data interface.
4. The carpet lamp for a vehicle as claimed in claim 1, wherein the control circuit is configured to control the visible light LED to display a fuel amount remaining projection pattern in a projection pattern area according to fuel amount information in the vehicle system information collected by the CAN bus.
5. The carpet lamp for a vehicle of claim 1, wherein the control circuit is configured to control the visible light LED to display a charge remaining projection pattern in a projection pattern area according to charge information in the vehicle system information collected by the CAN bus.
6. The carpet light for a vehicle according to claim 1, characterized in that the illumination areas projected by the plurality of microlenses are superimposed to form a variable projection pattern area.
7. The carpet lamp for a vehicle as claimed in claim 1, characterized in that each of the projection units corresponds to an illumination line in a projection pattern area.
8. The carpet light for a vehicle of claim 1, characterized in that the collimation system comprises: at least one collimating lens.
9. The carpet light for a vehicle according to claim 1, characterized in that the microlens array comprises: and a corresponding pattern is arranged on the surface of each micro lens according to a set projection pattern, and the illumination areas projected by each micro lens are superposed to form a projection pattern area.
10. The carpet light for a vehicle as claimed in claim 1, characterized in that it is mounted on the vehicle body near the front of the vehicle, the projected pattern area being on the side of the vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821681181.9U CN209240978U (en) | 2018-10-17 | 2018-10-17 | Blanket lamp for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821681181.9U CN209240978U (en) | 2018-10-17 | 2018-10-17 | Blanket lamp for vehicle |
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| Publication Number | Publication Date |
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| CN209240978U true CN209240978U (en) | 2019-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821681181.9U Active CN209240978U (en) | 2018-10-17 | 2018-10-17 | Blanket lamp for vehicle |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111237719A (en) * | 2020-02-28 | 2020-06-05 | 华域视觉科技(上海)有限公司 | Welcome system, welcome lamp, vehicle and welcome method |
| CN111692569A (en) * | 2020-07-06 | 2020-09-22 | 华域视觉科技(上海)有限公司 | Micro-lens array light type switching system and method, welcome lamp and vehicle |
| CN113015304A (en) * | 2019-12-04 | 2021-06-22 | 宝马股份公司 | Lighting control device and lighting control system for vehicle |
| CN113759650A (en) * | 2021-07-14 | 2021-12-07 | 东风汽车集团股份有限公司 | Vehicle carpet lamp, vehicle carpet lamp system component and design method |
| CN114071098A (en) * | 2020-07-31 | 2022-02-18 | 宁波舜宇车载光学技术有限公司 | Projection system and projection method thereof |
-
2018
- 2018-10-17 CN CN201821681181.9U patent/CN209240978U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113015304A (en) * | 2019-12-04 | 2021-06-22 | 宝马股份公司 | Lighting control device and lighting control system for vehicle |
| CN113015304B (en) * | 2019-12-04 | 2024-04-09 | 宝马股份公司 | Lighting control device and lighting control system for vehicle |
| CN111237719A (en) * | 2020-02-28 | 2020-06-05 | 华域视觉科技(上海)有限公司 | Welcome system, welcome lamp, vehicle and welcome method |
| CN111237719B (en) * | 2020-02-28 | 2022-02-15 | 华域视觉科技(上海)有限公司 | Welcome system, welcome lamp, vehicle and welcome method |
| CN111692569A (en) * | 2020-07-06 | 2020-09-22 | 华域视觉科技(上海)有限公司 | Micro-lens array light type switching system and method, welcome lamp and vehicle |
| CN114071098A (en) * | 2020-07-31 | 2022-02-18 | 宁波舜宇车载光学技术有限公司 | Projection system and projection method thereof |
| CN113759650A (en) * | 2021-07-14 | 2021-12-07 | 东风汽车集团股份有限公司 | Vehicle carpet lamp, vehicle carpet lamp system component and design method |
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Address after: 215000 4th floor, building 14, Tengfei Innovation Park, 388 Xinping street, Suzhou Industrial Park, Suzhou City, Jiangsu Province Patentee after: Suzhou turnip Electronic Technology Co.,Ltd. Address before: 215123 4th floor, building 14, Tengfei Innovation Park, 388 Xinping street, Suzhou Industrial Park, Suzhou City, Jiangsu Province Patentee before: SUZHOU CARROBOT AUTOMOTIVE ELECTRONICS TECHNOLOGY Co.,Ltd. |
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